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41P/Tuttle-Giacobini-Kresak
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000100
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2453821.5 (2006-Mar-27.0) TDB
Reference: JPL K064/9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.66041266487128 1.8685e-07  
a 3.08544379187977 1.1041e-06 AU
q 1.0477776349739 4.9568e-07 AU
i 9.22802804858441 1.7428e-05 deg
node 141.0929309253469 9.897e-05 deg
peri 62.19321855938809 0.00011031 deg
M 346.0350247582312 9.7678e-06 deg
tp 2453898.291394626303
(2006-Jun-11.79139463)
4.3788e-05 JED
period 1979.588333446096
5.42
0.0010626
2.909e-06
d
yr
n .1818559919340941 9.7612e-08 deg/d
Q 5.123109948785627 1.8332e-06 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.347275892411626E-8 1.037E-10
A2 [EST] 3.306726601796261E-9 1.319E-12
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      4229 days (11.58 yr)  
   first obs. used      1995-01-28  
   last obs. used      2006-08-27  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      1  
   fit RMS      .96617  
   data source      ORB  
   producer      Nick Mastrodemos  
   solution date      2006-Dec-14 10:23:08  

Additional Information
 Earth MOID = .135384 AU 
 T_jup = 2.828 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.8 mag 2. K064/9 2 parameter fit from 125 observations, autocmod 2.3
comet total magnitude slope K1 29.   n/a K064/9 autocmod 2.3
comet nuclear magnitude M2 17.0 mag 0.8 K064/9 from 277 observations, autocmod 2.3
comet nuclear magnitude slope K2 5.   n/a K064/9 autocmod 2.3
comet nuclear phase coefficient PC 0.03   n/a K064/9 autocmod 2.3
diameter diameter 1.4 km n/a Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (2004) Comets II, pp. 223-264  

41P/Tuttle-Giacobini-Kresak          Discovered 1858-May-03 by Tuttle, Horace at Harvard College Observatory, Massachusetts
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1990.2       1990 II   1989b1 
 1979.3       1978 XXV   1978r 
 1973.9       1973 VI   1973b 
 1963.1       1962 V   1962b 
 1952.2   41P/1951 H1   1951 IV   1951f 
 1908.9   41P/1907 L1   1907 III   1907c 
 1860.1   41P/1858 J1   1858 III   
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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